HP DTC Cabling and Racking Guide
Page 52
... ports, use appropriate cables when connecting terminals, printers and other pins connected can cause the DTC to fail its selftest and may damage the line driver.
... ports, use appropriate cables when connecting terminals, printers and other pins connected can cause the DTC to fail its selftest and may damage the line driver.
HP DTC Cabling and Racking Guide
Page 54
... hardware damage to the pin 23 drivers on the terminal or the MDP. Using any of the cables listed below with the Modem Distribution Panel: Product number HP 40242M Product number HP 92219Q Product Number HP 13242M Product number HP 13242N Product number HP 30062B 48 6 Cables that should ...not be used Cables that should not be used Some terminals, such as the HP 2392A and older terminals, output a ...
... hardware damage to the pin 23 drivers on the terminal or the MDP. Using any of the cables listed below with the Modem Distribution Panel: Product number HP 40242M Product number HP 92219Q Product Number HP 13242M Product number HP 13242N Product number HP 30062B 48 6 Cables that should ...not be used Cables that should not be used Some terminals, such as the HP 2392A and older terminals, output a ...
HP DTC Cabling and Racking Guide
Page 77
...rates up to support high data rates or long cable lengths, but not both. RS-423 Application Data In RS-423 Interface Data Out Single-ended data transmission is determined by the hardware used at very high data rates, over very long distances, or in noisy environments. A ...fast rise time allows higher baud rates, whilst a slow rise time allows for longer cable lengths. Consequently, an RS-423 driver can be tuned to 100 kBaud. For these applications, differential data transmission can eliminate the effects of up to 250 feet/80 meters. RS-422...
...rates up to support high data rates or long cable lengths, but not both. RS-423 Application Data In RS-423 Interface Data Out Single-ended data transmission is determined by the hardware used at very high data rates, over very long distances, or in noisy environments. A ...fast rise time allows higher baud rates, whilst a slow rise time allows for longer cable lengths. Consequently, an RS-423 driver can be tuned to 100 kBaud. For these applications, differential data transmission can eliminate the effects of up to 250 feet/80 meters. RS-422...
HP DTC Cabling and Racking Guide
Page 79
... the digital signals to make a direct connection. Consequently, the connection should be around 100 ohms for frequencies greater than one signal driver can be made using the advice provided in a pair should be less than the electrical length of the cable should not exceed... must be twisted pair or untwisted pair (flat cable) with these characteristics. A single driver and a single receiver are presently no RS-422 or RS-423 datacommunication cables available from its single-ended nature by the RS-422 and RS-423 standards allow the component wavelengths of prefabricated...
... the digital signals to make a direct connection. Consequently, the connection should be around 100 ohms for frequencies greater than one signal driver can be made using the advice provided in a pair should be less than the electrical length of the cable should not exceed... must be twisted pair or untwisted pair (flat cable) with these characteristics. A single driver and a single receiver are presently no RS-422 or RS-423 datacommunication cables available from its single-ended nature by the RS-422 and RS-423 standards allow the component wavelengths of prefabricated...
HP DTC Cabling and Racking Guide
Page 80
... standards Environmental effects Environmental effects, such as distance sbecome greater between the driver and receiver ground points and common mode noise. Limiting the difference between the driver and receiver ground points, common mode noise, and the common mode offset (the drivers common mode voltage). In this kind of 4 volts. Otherwise, a large difference in...
... standards Environmental effects Environmental effects, such as distance sbecome greater between the driver and receiver ground points and common mode noise. Limiting the difference between the driver and receiver ground points, common mode noise, and the common mode offset (the drivers common mode voltage). In this kind of 4 volts. Otherwise, a large difference in...
HP DLPI Programmer's Guide
Page 15
A service provider interface is an industry standard definition for message communications to DLPI Chapter 1 The Data Link Provider Interface (DLPI) is a specified set of messages and the rules that allow passage of these messages across 15 1 Introduction to STREAMS-based network interface drivers.
A service provider interface is an industry standard definition for message communications to DLPI Chapter 1 The Data Link Provider Interface (DLPI) is a specified set of messages and the rules that allow passage of these messages across 15 1 Introduction to STREAMS-based network interface drivers.
HP DLPI Programmer's Guide
Page 19
...and dlpi_ext.h contains definitions for accessing the STREAMS DLPI LAN driver is the number of the device file formats required for the HP extended DLPI primitives. Both these header files are two DLPI header files: dlpi.h and dlpi_ext.h. HP recommends that device file names follow the naming convention /... is as follows: Name /dev/dlpi /dev/dlpiX Type Major # Minor # Access c 72 0x77 Clone access c 119 0xX Non-clone access HP DLPI supports up to 100 non-clone device files. Chapter 1 19 Header Files There are present in /usr/include/sys. NOTE Introduction to DLPI...
...and dlpi_ext.h contains definitions for accessing the STREAMS DLPI LAN driver is the number of the device file formats required for the HP extended DLPI primitives. Both these header files are two DLPI header files: dlpi.h and dlpi_ext.h. HP recommends that device file names follow the naming convention /... is as follows: Name /dev/dlpi /dev/dlpiX Type Major # Minor # Access c 72 0x77 Clone access c 119 0xX Non-clone access HP DLPI supports up to 100 non-clone device files. Chapter 1 19 Header Files There are present in /usr/include/sys. NOTE Introduction to DLPI...
HP DLPI Programmer's Guide
Page 22
...be substituted beneath the DLS user to free data link users from specific knowledge of the characteristics of each data unit transmission. HP-specific extension supports Raw mode interface. Introduction to the DLS provider. Referring to Figure 1-1, the DLS provider is no logical...units. The connectionless mode is created, the DLS user and DLS provider communicate via messages discussed later. The stream acts as a STREAMS driver, and the DLS user accesses the provider using the putmsg(2) and getmsg(2) system calls. Support of a specific communication medium. Specifically, ...
...be substituted beneath the DLS user to free data link users from specific knowledge of the characteristics of each data unit transmission. HP-specific extension supports Raw mode interface. Introduction to the DLS provider. Referring to Figure 1-1, the DLS provider is no logical...units. The connectionless mode is created, the DLS user and DLS provider communicate via messages discussed later. The stream acts as a STREAMS driver, and the DLS user accesses the provider using the putmsg(2) and getmsg(2) system calls. Support of a specific communication medium. Specifically, ...
HP DLPI Programmer's Guide
Page 25
...send upstream a data message for which medium it will occur. All communication on that physical medium funnels through the PPA. For a style 2 driver, open(2) creates a stream between the DLS user and DLS provider, and the attach primitive then associates a particular PPA with that provider for... through necessary means. The physical address value can be supported. For media that supports physical layer multiplexing of multiple channels over a single physical medium (such as the B and D channels of ISDN), the PPA identifier must identify which the DLS user on that stream...
...send upstream a data message for which medium it will occur. All communication on that physical medium funnels through the PPA. For a style 2 driver, open(2) creates a stream between the DLS user and DLS provider, and the attach primitive then associates a particular PPA with that provider for... through necessary means. The physical address value can be supported. For media that supports physical layer multiplexing of multiple channels over a single physical medium (such as the B and D channels of ISDN), the PPA identifier must identify which the DLS user on that stream...
HP DLPI Programmer's Guide
Page 35
... and failure with respect to the DLSAP for processing connectionless data transfer and connection establishment requests. The normal message sequence is identified by the DLPI driver: 35
... and failure with respect to the DLSAP for processing connectionless data transfer and connection establishment requests. The normal message sequence is identified by the DLPI driver: 35
HP DLPI Programmer's Guide
Page 36
... the IETF RFC 1010 (or superseding version) "Assigned Numbers". If the first three bytes are non-zero, the following two bytes are bound to the driver via the DL_BIND_REQ primitive. The DLS provider indicates success with a DL_BIND_ACK or a DL_SUBS_BIND_ACK message and failure with valid values from 0x0-0xFFFF.
... the IETF RFC 1010 (or superseding version) "Assigned Numbers". If the first three bytes are non-zero, the following two bytes are bound to the driver via the DL_BIND_REQ primitive. The DLS provider indicates success with a DL_BIND_ACK or a DL_SUBS_BIND_ACK message and failure with valid values from 0x0-0xFFFF.
HP DLPI Programmer's Guide
Page 56
... provider using open(2). DLPI Primitives primitives may be passed between the DLS user and DLS provider is complete, the stream can be configured as a STREAMS driver. Before DLPI primitives can be closed.
... provider using open(2). DLPI Primitives primitives may be passed between the DLS user and DLS provider is complete, the stream can be configured as a STREAMS driver. Before DLPI primitives can be closed.
HP DLPI Programmer's Guide
Page 59
Response The DLPI driver responds to a DL_HP_PPA_REQ; dl_count number of PPAs in the system. it conveys information on each valid PPA currently installed in the list. This message consists ...
Response The DLPI driver responds to a DL_HP_PPA_REQ; dl_count number of PPAs in the system. it conveys information on each valid PPA currently installed in the list. This message consists ...
HP DLPI Programmer's Guide
Page 60
u_char dl_hw_path[100]; u_char dl_module_id_2[64]; dl_ppa PPA # assigned to LAN interface. dl_mac_type MAC type of interface driver. 60 Chapter 2 dl_mjr_num major number of LAN interface. u_long dl_mjr_num; u_long dl_mac_type; u_char dl_module_id_1[64]; u_char dl_nmid; dl_next_offset offset of next ppa info structure from ...
u_char dl_hw_path[100]; u_char dl_module_id_2[64]; dl_ppa PPA # assigned to LAN interface. dl_mac_type MAC type of interface driver. 60 Chapter 2 dl_mjr_num major number of LAN interface. u_long dl_mjr_num; u_long dl_mac_type; u_char dl_module_id_1[64]; u_char dl_nmid; dl_next_offset offset of next ppa info structure from ...
HP DLPI Programmer's Guide
Page 61
If the driver does not have an ARP helper, this name is set to a stream that support multiple encapsulation types. dl_mtu MTU dl_hdw_state hardware state dl_module_id_1 default module ..., the field is set to a DL_PPA_REQ. If the user is attached to "snap". dl_module_id_2 optional module ID name for the stream. dl_instance_num instance number of driver. New State The resulting state is unchanged. 61 Chapter 2 DLPI Primitives Local Management Primitives dl_name name of device. dl_arpmod_name identifies the ARP helper module for...
If the driver does not have an ARP helper, this name is set to a stream that support multiple encapsulation types. dl_mtu MTU dl_hdw_state hardware state dl_module_id_1 default module ..., the field is set to a DL_PPA_REQ. If the user is attached to "snap". dl_module_id_2 optional module ID name for the stream. dl_instance_num instance number of driver. New State The resulting state is unchanged. 61 Chapter 2 DLPI Primitives Local Management Primitives dl_name name of device. dl_arpmod_name identifies the ARP helper module for...
HP DLPI Programmer's Guide
Page 69
DL_LINK_DOWN_IND DLPI sends this event upstream to the streams that the physical driver instance has entered the DOWN operational state. Format typedef struct { uint32_t dl_primitive; } dl_link_up_ind_t; This message consists of this event ... notifications using the DL_NOTIFY_LINK_STATE_REQ primitive. Parameters 69 The UNIX error returned may be set to (not limited to the streams that the physical driver instance has entered the UP operational state. Chapter 2 DLPI Primitives Local Management Primitives A system error has occurred as invalid events are requested...
DL_LINK_DOWN_IND DLPI sends this event upstream to the streams that the physical driver instance has entered the DOWN operational state. Format typedef struct { uint32_t dl_primitive; } dl_link_up_ind_t; This message consists of this event ... notifications using the DL_NOTIFY_LINK_STATE_REQ primitive. Parameters 69 The UNIX error returned may be set to (not limited to the streams that the physical driver instance has entered the UP operational state. Chapter 2 DLPI Primitives Local Management Primitives A system error has occurred as invalid events are requested...
HP DLPI Programmer's Guide
Page 71
... IDs, and so on page 71. Table 2-2 Error Return Values Error Criteria EPERM Permission for the control request is indicated in Table 2-2 on ), or the driver is not connected. The UNIX error returned may be set to (not limited to use the requested PPA. EINVAL One of the parameters has invalid...
... IDs, and so on page 71. Table 2-2 Error Return Values Error Criteria EPERM Permission for the control request is indicated in Table 2-2 on ), or the driver is not connected. The UNIX error returned may be set to (not limited to use the requested PPA. EINVAL One of the parameters has invalid...
HP DLPI Programmer's Guide
Page 90
...driver error is sent down the APA PPA. DL_HP_RESET_STATS_REQ DL_HP_RESET_STATS_REQ resets the statistics of one M_PROTO message block, which contains the following structure: typedef struct { uint32_t dl_primitive; } dl_hp_reset_stats_req_t; Security Containment With the Security Containment product version B.11.23.01 or later, HP...grained Privileges with PRIV_NETADMIN privilege. DLPI Primitives Local Management Primitives DL_SYSERR A system error has occurred, because the driver returned an error. The possible errors can be set to (not limited to ) ENOBUFS and EBUSY. ...
...driver error is sent down the APA PPA. DL_HP_RESET_STATS_REQ DL_HP_RESET_STATS_REQ resets the statistics of one M_PROTO message block, which contains the following structure: typedef struct { uint32_t dl_primitive; } dl_hp_reset_stats_req_t; Security Containment With the Security Containment product version B.11.23.01 or later, HP...grained Privileges with PRIV_NETADMIN privilege. DLPI Primitives Local Management Primitives DL_SYSERR A system error has occurred, because the driver returned an error. The possible errors can be set to (not limited to ) ENOBUFS and EBUSY. ...
HP DLPI Programmer's Guide
Page 91
DLPI Primitives Local Management Primitives The message is present in the dl_unix_errno element of the dl_error_ack_t structure. The driver error is valid in Table 2-2 on page 71. The UNIX error returned may be (but not limited to ) errors listed in DL_IDLE or ...state is issued from an invalid state. Response If the request is successful, DL_OK_ACK is not formatted properly. DL_SYSERR A system error has occurred, because the driver returned an error. DL_BADPRIM The primitive is returned. The possible errors can be set to (not limited to ) ENOBUFS and EBUSY. Chapter 2 91 ...
DLPI Primitives Local Management Primitives The message is present in the dl_unix_errno element of the dl_error_ack_t structure. The driver error is valid in Table 2-2 on page 71. The UNIX error returned may be (but not limited to ) errors listed in DL_IDLE or ...state is issued from an invalid state. Response If the request is successful, DL_OK_ACK is not formatted properly. DL_SYSERR A system error has occurred, because the driver returned an error. DL_BADPRIM The primitive is returned. The possible errors can be set to (not limited to ) ENOBUFS and EBUSY. Chapter 2 91 ...
HP DLPI Programmer's Guide
Page 118
... due to the specified value. u_long dl_ack_to; } dl_hp_set_ack_to_req_t; This is restarted. Parameters dl_primitive DL_HP_SET_ACK_TO_REQ dl_ack_to new value of the ACK timeout in the interface device driver or interface card. dl_hw_req_fails number of times that it was busy. New State The resulting state is unchanged. DLPI Primitives Connection-mode Service Primitives maximum...
... due to the specified value. u_long dl_ack_to; } dl_hp_set_ack_to_req_t; This is restarted. Parameters dl_primitive DL_HP_SET_ACK_TO_REQ dl_ack_to new value of the ACK timeout in the interface device driver or interface card. dl_hw_req_fails number of times that it was busy. New State The resulting state is unchanged. DLPI Primitives Connection-mode Service Primitives maximum...