| Where allowed to run: All environments (*ALL) Threadsafe: No |
Parameters Examples Error messages |
The Change Device Description (SNUF) (CHGDEVSNUF) command changes a device description for a Systems Network Architecture Upline Facility (SNUF) device.
Restriction: You must have input/output system configuration (*IOSYSCFG) special authority to use this command.
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| Keyword | Description | Choices | Notes |
|---|---|---|---|
| DEVD | Device description | Name | Required, Key, Positional 1 |
| LOCADR | Local location address | *SAME, 01, 02, 03, 04, 05, 06, 07, 08, 09, 0A, 0B, 0C, 0D, 0E, 0F, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 1A, 1B, 1C, 1D, 1E, 1F, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 2A, 2B, 2C, 2D, 2E, 2F, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 3A, 3B, 3C, 3D, 3E, 3F, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 4A, 4B, 4C, 4D, 4E, 4F, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 5A, 5B, 5C, 5D, 5E, 5F, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 6A, 6B, 6C, 6D, 6E, 6F, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 7A, 7B, 7C, 7D, 7E, 7F, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 8A, 8B, 8C, 8D, 8E, 8F, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 9A, 9B, 9C, 9D, 9E, 9F, A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, AA, AB, AC, AD, AE, AF, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, BA, BB, BC, BD, BE, BF, C0, C1, C2, C3, C4, C5, C6, C7, C8, C9, CA, CB, CC, CD, CE, CF, D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, DA, DB, DC, DD, DE, DF, E0, E1, E2, E3, E4, E5, E6, E7, E8, E9, EA, EB, EC, ED, EE, EF, F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, FA, FB, FC, FD, FE, FF | Optional |
| ONLINE | Online at IPL | *SAME, *YES, *NO | Optional |
| PGMSTRRQS | Program start request capable | *SAME, *YES, *NO | Optional |
| SPCHOSTAPP | Special host application | *SAME, *NONE, *FLASH | Optional |
| APPID | Application identifier | Name, *SAME | Optional |
| HOST | Host type | *SAME, *CICS, *IMS, *IMSRTR, *ADCS | Optional |
| RCDLEN | Record length | 1-32767, *SAME | Optional |
| BLKLEN | Block length | 1-32767, *SAME | Optional |
| DFTPGM | Default program | Single values: *SAME Other values: Qualified object name |
Optional |
| Qualifier 1: Default program | Name | ||
| Qualifier 2: Library | Name, *LIBL, *CURLIB | ||
| HCPEML | HCP emulation | *SAME, *STRUSRPGM, 3651, 3684, 4680, 4684 | Optional |
| TEXT | Text 'description' | Character value, *SAME, *BLANK | Optional |
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Specifies the name of the device description.
This is a required parameter.
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Specifies the local location address for this device.
Valid values range from 01 to FF.
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Specifies whether this object is automatically varied on at initial program load (IPL).
This device is varied on automatically at IPL.
This device is not varied on automatically at IPL.
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Specifies whether this device is reserved for host system call through a Program Start Request (PSR).
This device is not reserved for a PSR request.
This device is reserved for a PSR request.
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Specifies whether SNUF customizes support for special host applications outside the Customer Information Control System for Virtual Storage (CICS/VS) or Information Management System for Virtual Storage (IMS/VS) application layer.
SNUF does not customize support for special host applications.
SNUF customizes support for the Federal Reserve Flash application.
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Specifies the VTAM Application Identifier sent with the log-on message.
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Specifies the type of host system with which the device will communicate.
The host system type is CICS/VS.
The host system type is IMS/VS.
The Information Management System is the host system. RTR (return-to-ready) commands will be used in communicating with the host system.
The Advanced Data Communications for Stores is the host system.
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Specifies the maximum record length allowed when communicating with this device.
Valid values range from 1 to 32767.
The value must be at least the size of the largest record to be sent, but must not exceed the buffer size specified on the line description (MAXBUFFER parameter) to which this device is attached.
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Specifies the maximum block length allowed when communicating with this device.
The possible values are from 1 to 32767.
The value must be at least the size of the largest record to be sent, but must not exceed the buffer size specified on the line description (MAXBUFFER parameter) to which this device is attached.
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Specifies the name of the program called if a program start request is received and no program is specified.
The program is specified by its qualified name (library-name/program-name).
The possible library values are:
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Specifies the Host Command Processor (HCP) emulation to be performed.
The host is running ADCS and will use this device description for a 3651 HCP emulated session.
The host is running ADCS and will use this device description for a 3684 HCP emulated session.
The host is running ADCS and will use this device description for a 4680 HCP emulated session.
The host is running ADCS and will use this device description for a 4684 HCP emulated session.
The host is running ADCS and will use this device description for the Start User Program (SUP) emulated session.
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Specifies the text that briefly describes the object.
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CHGDEVSNUF DEVD(SNUFDEV01) PGMSTRRQS(*YES) DFTPGM(INQUIRY)
This command changes the device description for communications device SNUFDEV01, reserving it for host system call by the use of a program start request. The default program is changed to INQUIRY.
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