HP DTC Cabling and Racking Guide
Page 52
... Product number 40242Y Product number 13242Y MDP to DCE device (modem) cable Product number 40233A MDP to fail its selftest and may damage the line driver. Recommended cables The cables listed below (DB25 to DB25) are present for test purposes on otherwise unused pins of the 25-pin connectors of the...
... Product number 40242Y Product number 13242Y MDP to DCE device (modem) cable Product number 40233A MDP to fail its selftest and may damage the line driver. Recommended cables The cables listed below (DB25 to DB25) are present for test purposes on otherwise unused pins of the 25-pin connectors of the...
HP DTC Cabling and Racking Guide
Page 54
... a signal on pin 23 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 Using any of the cables listed below will connect these pins together, which may result ...in hardware damage to the pin 23 drivers on this pin. The MDP also outputs a signal on the terminal...
... a signal on pin 23 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 Using any of the cables listed below will connect these pins together, which may result ...in hardware damage to the pin 23 drivers on this pin. The MDP also outputs a signal on the terminal...
HP DTC Cabling and Racking Guide
Page 77
The maximum cable length and data rate are increasing the popularity of the RS-423 electrical standard. Consequently, an RS-423 driver can provide superior performance. RS-422 Application Data In RS-422 Interface optional R t Data Out 71 RS-423 is a recent standard is unreliable at very ...
The maximum cable length and data rate are increasing the popularity of the RS-423 electrical standard. Consequently, an RS-423 driver can provide superior performance. RS-422 Application Data In RS-422 Interface optional R t Data Out 71 RS-423 is a recent standard is unreliable at very ...
HP DTC Cabling and Racking Guide
Page 79
...hardware flow control, where each conductor. Mutual pair capacitance between 1 conductor of a pair 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... conductors should be treated as a transmission line. Stray capacitance between 2 conductors in datacommunications applications. This is needed to connect a driver to a receiver, four conductors are intended for frequencies greater than 240 ohms. The cable can benefit from Hewlett-Packard. The...
...hardware flow control, where each conductor. Mutual pair capacitance between 1 conductor of a pair 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... conductors should be treated as a transmission line. Stray capacitance between 2 conductors in datacommunications applications. This is needed to connect a driver to a receiver, four conductors are intended for frequencies greater than 240 ohms. The cable can benefit from Hewlett-Packard. The...
HP DTC Cabling and Racking Guide
Page 80
... damage, no such protection can affect the reliable operation of data communications cables to peripherals. Limiting the difference between the driver and receiver ground points and common mode noise. It is the common-mode voltage. Shielded cables Shielded cables increase the ... 8 A note on standards Environmental effects Environmental effects, such as distance sbecome greater between the driver and receiver ground points, common mode noise, and the common mode offset (the drivers common mode voltage). Otherwise, a large difference in ground potential may cause permanent damage to ...
... damage, no such protection can affect the reliable operation of data communications cables to peripherals. Limiting the difference between the driver and receiver ground points and common mode noise. It is the common-mode voltage. Shielded cables Shielded cables increase the ... 8 A note on standards Environmental effects Environmental effects, such as distance sbecome greater between the driver and receiver ground points, common mode noise, and the common mode offset (the drivers common mode voltage). Otherwise, a large difference in ground potential may cause permanent damage to ...
HP DLPI Programmer's Guide
Page 15
1 Introduction 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 A service provider interface is an industry standard definition for message communications to STREAMS-based network interface drivers.
1 Introduction 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 A service provider interface is an industry standard definition for message communications to STREAMS-based network interface drivers.
HP DLPI Programmer's Guide
Page 19
... dlpi.h contains definitions for the standard DLPI primitives, 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. NOTE Introduction to 100 non-clone device files. Header Files There are present in /usr/...include/sys. HP recommends that device file names follow the naming convention /dev/dlpiX, where X is as follows: Name /dev/dlpi /dev/dlpiX Type Major # Minor # ...
... dlpi.h contains definitions for the standard DLPI primitives, 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. NOTE Introduction to 100 non-clone device files. Header Files There are present in /usr/...include/sys. HP recommends that device file names follow the naming convention /dev/dlpiX, where X is as follows: Name /dev/dlpi /dev/dlpiX Type Major # Minor # ...
HP DLPI Programmer's Guide
Page 22
... independent of allowing a DLS user to be unreliable, because there is message-oriented and supports data transfer in a sequenced manner. The stream acts as a STREAMS driver, and the DLS user accesses the provider using the putmsg(2) and getmsg(2) system calls. After the stream is configured as a communication medium between units. The... mode allows the DLS user to provider-initiated resynchronization or connection failures. Modes of Communication Although DLPI supports three modes of each data unit transmission. HP-specific extension supports Raw mode interface.
... independent of allowing a DLS user to be unreliable, because there is message-oriented and supports data transfer in a sequenced manner. The stream acts as a STREAMS driver, and the DLS user accesses the provider using the putmsg(2) and getmsg(2) system calls. After the stream is configured as a communication medium between units. The... mode allows the DLS user to provider-initiated resynchronization or connection failures. Modes of Communication Although DLPI supports three modes of each data unit transmission. HP-specific extension supports Raw mode interface.
HP DLPI Programmer's Guide
Page 25
.../minor device the DLS user opened. Chapter 1 25 It is invalid for a DLS provider to ever send upstream a data message for a particular 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 which a system attaches...
.../minor device the DLS user opened. Chapter 1 25 It is invalid for a DLS provider to ever send upstream a data message for a particular 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 which a system attaches...
HP DLPI Programmer's Guide
Page 35
... bind a DLSAP to a Physical Line DL_ATTACH request DL_OK acknowledge A PPA may be disassociated with a DL_ERROR_ACK message. The normal message sequence is identified by the DLPI driver: 35 Message Flow: Attaching a Stream to a stream. Binding The following protocol values are currently supported by a DLSAP address.
... bind a DLSAP to a Physical Line DL_ATTACH request DL_OK acknowledge A PPA may be disassociated with a DL_ERROR_ACK message. The normal message sequence is identified by the DLPI driver: 35 Message Flow: Attaching a Stream to a stream. Binding The following protocol values are currently supported by a DLSAP address.
HP DLPI Programmer's Guide
Page 36
... via the DL_BIND_REQ or the DL_SUBS_BIND_REQ (DL_PEER_BIND class only). The first byte must be logged in two ways. The second method requires you to the driver via the DL_BIND_REQ primitive, and then issue a DL_SUBS_BIND_REQ (must be the SNAP SAP 0xAA followed by five bytes of additional data. The first method requires...
... via the DL_BIND_REQ or the DL_SUBS_BIND_REQ (DL_PEER_BIND class only). The first byte must be logged in two ways. The second method requires you to the driver via the DL_BIND_REQ primitive, and then issue a DL_SUBS_BIND_REQ (must be the SNAP SAP 0xAA followed by five bytes of additional data. The first method requires...
HP DLPI Programmer's Guide
Page 56
... the DLS provider, the DLS user must therefore be passed between the DLS user and DLS provider. DLPI Primitives primitives may be configured as a STREAMS driver.
... the DLS provider, the DLS user must therefore be passed between the DLS user and DLS provider. DLPI Primitives primitives may be configured as a STREAMS driver.
HP DLPI Programmer's Guide
Page 59
New State The resulting state is formatted as described in response to this request with a DL_HP_PPA_ACK. Response The DLPI driver responds to a DL_HP_PPA_REQ; u_long dl_count; The data area is unchanged. u_long dl_offset; } dl_hp_ppa_ack_t; dl_count number of PPAs in the system. dl_offset offset from the beginning ...
New State The resulting state is formatted as described in response to this request with a DL_HP_PPA_ACK. Response The DLPI driver responds to a DL_HP_PPA_REQ; u_long dl_count; The data area is unchanged. u_long dl_offset; } dl_hp_ppa_ack_t; dl_count number of PPAs in the system. dl_offset offset from the beginning ...
HP DLPI Programmer's Guide
Page 60
u_long dl_hdw_state; u_char dl_nmid; dl_ppa PPA # assigned to LAN interface. u_long dl_mac_type; u_long dl_mjr_num; u_long dl_reserved1; dl_addr_length length of interface driver. 60 Chapter 2 u_char dl_hw_path[100]; u_char dl_arpmod_name[64]; dl_mjr_num major number of station address. u_long dl_addr_length; dl_next_offset offset of next ppa info structure from start ...
u_long dl_hdw_state; u_char dl_nmid; dl_ppa PPA # assigned to LAN interface. u_long dl_mac_type; u_long dl_mjr_num; u_long dl_reserved1; dl_addr_length length of interface driver. 60 Chapter 2 u_char dl_hw_path[100]; u_char dl_arpmod_name[64]; dl_mjr_num major number of station address. u_long dl_addr_length; dl_next_offset offset of next ppa info structure from start ...
HP DLPI Programmer's Guide
Page 61
... optional module ID name for the stream. dl_arpmod_name identifies the ARP helper module for a specific interface. If the driver does not have an ARP helper, this name is "lan." dl_instance_num instance number of driver. Otherwise, the field is set to a stream that support multiple encapsulation types. dl_mtu MTU dl_hdw_state hardware state dl_module_id_1...
... optional module ID name for the stream. dl_arpmod_name identifies the ARP helper module for a specific interface. If the driver does not have an ARP helper, this name is "lan." dl_instance_num instance number of driver. Otherwise, the field is set to a stream that support multiple encapsulation types. dl_mtu MTU dl_hdw_state hardware state dl_module_id_1...
HP DLPI Programmer's Guide
Page 69
... structure: Format typedef struct{ uint32_t dl_primitive; } dl_link_down_ind_t; This message consists of this event indicates that the physical driver instance has entered the DOWN operational state. This message consists of this event indicates that the physical driver instance has entered the UP operational state. Format typedef struct { uint32_t dl_primitive; } dl_link_up_ind_t; DL_LINK_DOWN_IND DLPI sends...
... structure: Format typedef struct{ uint32_t dl_primitive; } dl_link_down_ind_t; This message consists of this event indicates that the physical driver instance has entered the DOWN operational state. This message consists of this event indicates that the physical driver instance has entered the UP operational state. Format typedef struct { uint32_t dl_primitive; } dl_link_up_ind_t; DL_LINK_DOWN_IND DLPI sends...
HP DLPI Programmer's Guide
Page 71
... was issued from an invalid state. 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 unable to handle the request. DL_SYSERR A system error has occurred and the UNIX system error is incorrect. DLPI Primitives Local Management Primitives DL_ACCESS The...
... was issued from an invalid state. 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 unable to handle the request. DL_SYSERR A system error has occurred and the UNIX system error is incorrect. DLPI Primitives Local Management Primitives DL_ACCESS The...
HP DLPI Programmer's Guide
Page 90
...of an interface (physical or logical). Security Containment With the Security Containment product version B.11.23.01 or later, HP DLPI will allow network related administrative tasks such as resetting the statistics on page 71. The EOPNOTSUPP Unix error is returned... 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; The driver error is sent down the APA PPA. See "Fine-grained Privileges with PRIV_NETADMIN privilege. NOTE APA PPAs do not support the DL_HP_HW_RESET_REQ...
...of an interface (physical or logical). Security Containment With the Security Containment product version B.11.23.01 or later, HP DLPI will allow network related administrative tasks such as resetting the statistics on page 71. The EOPNOTSUPP Unix error is returned... 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; The driver error is sent down the APA PPA. See "Fine-grained Privileges with PRIV_NETADMIN privilege. NOTE APA PPAs do not support the DL_HP_HW_RESET_REQ...
HP DLPI Programmer's Guide
Page 91
DL_SYSERR A system error has occurred, because the driver returned an error. Chapter 2 91 Reason for Failure DL_OUTSTATE The primitive is returned. The possible errors can be set to (not limited to ) ENOBUFS and ... returned may be (but not limited to ) errors listed in Table 2-2 on page 71. DL_BADPRIM The primitive is present in DL_IDLE or DL_UNBOUND state. The driver error is not formatted properly. DLPI Primitives Local Management Primitives The message is returned. If the request fails, DL_ERROR_ACK is valid in the dl_unix_errno element...
DL_SYSERR A system error has occurred, because the driver returned an error. Chapter 2 91 Reason for Failure DL_OUTSTATE The primitive is returned. The possible errors can be set to (not limited to ) ENOBUFS and ... returned may be (but not limited to ) errors listed in Table 2-2 on page 71. DL_BADPRIM The primitive is present in DL_IDLE or DL_UNBOUND state. The driver error is not formatted properly. DLPI Primitives Local Management Primitives The message is returned. If the request fails, DL_ERROR_ACK is valid in the dl_unix_errno element...
HP DLPI Programmer's Guide
Page 118
... in response to the specified value. DLPI Primitives Connection-mode Service Primitives maximum allowed number of retries before attempting to congestion in the interface device driver or interface card. Format typedef struct { u_long dl_primitive; This is unchanged.
... in response to the specified value. DLPI Primitives Connection-mode Service Primitives maximum allowed number of retries before attempting to congestion in the interface device driver or interface card. Format typedef struct { u_long dl_primitive; This is unchanged.
